Module: BetterAuth::SQLMigration

Defined in:
lib/better_auth/sql_migration.rb

Defined Under Namespace

Classes: UnsupportedAdapterError

Constant Summary collapse

DEFAULT_MIGRATIONS_PATH =
"db/better_auth/migrate"
MISSING_MIGRATIONS_TABLE_MESSAGES =
[
  /no such table/i,
  /relation .* does not exist/i,
  /table .* doesn't exist/i,
  /undefined table/i,
  /invalid object name/i
].freeze

Class Method Summary collapse

Class Method Details

.applied_migrations(connection, dialect) ⇒ Object



203
204
205
206
207
208
209
210
211
212
# File 'lib/better_auth/sql_migration.rb', line 203

def applied_migrations(connection, dialect)
  rows = execute_sql(connection, "SELECT #{quote("version", dialect)} FROM #{quote("better_auth_schema_migrations", dialect)};")
  Array(rows).map { |row| row["version"] || row[:version] }
rescue UnsupportedAdapterError
  raise
rescue => error
  raise error unless missing_schema_migrations_table?(error)

  []
end

.auth_for(value) ⇒ Object



183
184
185
186
187
# File 'lib/better_auth/sql_migration.rb', line 183

def auth_for(value)
  return value if value.is_a?(BetterAuth::Auth)

  BetterAuth.auth(value)
end

.camelize_lower(value) ⇒ Object



446
447
448
449
# File 'lib/better_auth/sql_migration.rb', line 446

def camelize_lower(value)
  parts = value.to_s.split("_")
  ([parts.first] + parts.drop(1).map(&:capitalize)).join
end

.configuration_for(options) ⇒ Object



176
177
178
179
180
181
# File 'lib/better_auth/sql_migration.rb', line 176

def configuration_for(options)
  return options.options if options.is_a?(BetterAuth::Auth)
  return options if options.is_a?(BetterAuth::Configuration)

  BetterAuth::Configuration.new(options)
end

.current_schema(connection, dialect) ⇒ Object



366
367
368
369
370
371
372
373
374
375
376
377
378
379
# File 'lib/better_auth/sql_migration.rb', line 366

def current_schema(connection, dialect)
  case dialect
  when :sqlite
    sqlite_schema(connection)
  when :postgres
    information_schema(connection, dialect, postgres_columns_sql, postgres_indexes_sql)
  when :mysql
    information_schema(connection, dialect, mysql_columns_sql, mysql_indexes_sql)
  when :mssql
    information_schema(connection, dialect, mssql_columns_sql, mssql_indexes_sql)
  else
    raise UnsupportedAdapterError, "Unsupported SQL dialect for Better Auth migrations: #{dialect}"
  end
end

.dollar_quote_tag_at(sql, index) ⇒ Object



334
335
336
337
# File 'lib/better_auth/sql_migration.rb', line 334

def dollar_quote_tag_at(sql, index)
  match = sql[index..]&.match(/\A\$[A-Za-z_][A-Za-z0-9_]*\$|\A\$\$/)
  match&.[](0)
end

.empty_index_metadataObject



451
452
453
# File 'lib/better_auth/sql_migration.rb', line 451

def 
  {names: Set.new, columns: Set.new, unique_columns: Set.new}
end

.ensure_schema_migrations!(connection, dialect) ⇒ Object



189
190
191
192
193
194
195
196
197
198
199
200
201
# File 'lib/better_auth/sql_migration.rb', line 189

def ensure_schema_migrations!(connection, dialect)
  sql = case dialect
  when :postgres, :sqlite
    %(CREATE TABLE IF NOT EXISTS #{quote("better_auth_schema_migrations", dialect)} (#{quote("version", dialect)} text PRIMARY KEY);)
  when :mysql
    %(CREATE TABLE IF NOT EXISTS #{quote("better_auth_schema_migrations", dialect)} (#{quote("version", dialect)} varchar(191) PRIMARY KEY) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;)
  when :mssql
    %(IF OBJECT_ID(N'#{quote("better_auth_schema_migrations", dialect)}', N'U') IS NULL CREATE TABLE #{quote("better_auth_schema_migrations", dialect)} (#{quote("version", dialect)} varchar(255) PRIMARY KEY);)
  else
    raise UnsupportedAdapterError, "Unsupported SQL dialect for Better Auth migrations: #{dialect}"
  end
  execute_sql(connection, sql)
end

.execute_sql(connection, sql) ⇒ Object



219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
# File 'lib/better_auth/sql_migration.rb', line 219

def execute_sql(connection, sql)
  statements(sql).each_with_object([]) do |statement, results|
    result =
      if connection.respond_to?(:exec)
        connection.exec(statement)
      elsif connection.respond_to?(:execute)
        connection.execute(statement)
      elsif connection.respond_to?(:query)
        connection.query(statement)
      else
        raise UnsupportedAdapterError, "SQL connection does not support exec, execute, or query"
      end
    results.concat(result.to_a) if result.respond_to?(:to_a)
  end
end

.filtered_unique_index?(attributes, dialect) ⇒ Boolean

Returns:

  • (Boolean)


469
470
471
# File 'lib/better_auth/sql_migration.rb', line 469

def filtered_unique_index?(attributes, dialect)
  dialect == :mssql && attributes[:unique] && !attributes[:required]
end

.generate(options, dialect:, generator:, migrations_path: DEFAULT_MIGRATIONS_PATH, timestamp: Time.now.utc.strftime("%Y%m%d%H%M%S"), connection: nil) ⇒ Object



120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
# File 'lib/better_auth/sql_migration.rb', line 120

def generate(options, dialect:, generator:, migrations_path: DEFAULT_MIGRATIONS_PATH, timestamp: Time.now.utc.strftime("%Y%m%d%H%M%S"), connection: nil)
  dialect = normalize_dialect(dialect)
  FileUtils.mkdir_p(migrations_path)
  path = File.join(migrations_path, "#{timestamp}_create_better_auth_tables.sql")
  return path if File.exist?(path)

  sql = if connection
    render_pending(options, connection: connection, dialect: dialect, generator: generator)
  else
    render(options, dialect: dialect, generator: generator)
  end
  return nil if sql.empty?

  File.write(path, sql)
  path
end

.index_change(table_name, column, attributes, dialect:, unique:) ⇒ Object



455
456
457
458
459
460
461
462
463
# File 'lib/better_auth/sql_migration.rb', line 455

def index_change(table_name, column, attributes, dialect:, unique:)
  BetterAuth::MigrationPlan::IndexChange.new(
    table_name: table_name,
    field_name: column,
    name: index_name(table_name, column, attributes, dialect),
    unique: unique,
    field: attributes
  )
end

.index_name(table_name, column, attributes, dialect) ⇒ Object



473
474
475
# File 'lib/better_auth/sql_migration.rb', line 473

def index_name(table_name, column, attributes, dialect)
  filtered_unique_index?(attributes, dialect) ? "uniq_#{table_name}_#{column}" : "index_#{table_name}_on_#{column}"
end

.index_present?(table, column, unique:) ⇒ Boolean

Returns:

  • (Boolean)


477
478
479
480
481
482
483
484
# File 'lib/better_auth/sql_migration.rb', line 477

def index_present?(table, column, unique:)
  indexes = table.fetch(:indexes)
  if unique
    indexes[:unique_columns].include?(column) || indexes[:names].include?("index_#{table.fetch(:name, "")}_on_#{column}")
  else
    indexes[:columns].include?(column)
  end
end

.indexable_field?(attributes, dialect) ⇒ Boolean

Returns:

  • (Boolean)


465
466
467
# File 'lib/better_auth/sql_migration.rb', line 465

def indexable_field?(attributes, dialect)
  attributes[:index] || filtered_unique_index?(attributes, dialect)
end

.information_schema(connection, dialect, columns_sql, indexes_sql) ⇒ Object



403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
# File 'lib/better_auth/sql_migration.rb', line 403

def information_schema(connection, dialect, columns_sql, indexes_sql)
  schema = {}
  execute_sql(connection, columns_sql).each do |row|
    table_name = row_value(row, "table_name")
    column_name = row_value(row, "column_name")
    data_type = row_value(row, "data_type")
    schema[table_name] ||= {name: table_name, columns: {}, indexes: }
    schema[table_name][:columns][column_name] = data_type
  end
  execute_sql(connection, indexes_sql).each do |row|
    table_name = row_value(row, "table_name")
    column_name = row_value(row, "column_name")
    index_name = row_value(row, "index_name")
    unique_value = row_value(row, "unique") || row_value(row, "is_unique")
    non_unique_value = row_value(row, "non_unique")
    unique = (!unique_value.nil?) ? truthy_database_value?(unique_value) : non_unique_value.to_i == 0
    schema[table_name] ||= {name: table_name, columns: {}, indexes: }
    schema[table_name][:indexes][:names] << index_name if index_name
    schema[table_name][:indexes][:columns] << column_name if column_name
    schema[table_name][:indexes][:unique_columns] << column_name if column_name && !!unique
  end
  schema
end

.literal(value) ⇒ Object



348
349
350
# File 'lib/better_auth/sql_migration.rb', line 348

def literal(value)
  "'#{value.to_s.gsub("'", "''")}'"
end

.matching_type?(actual_type, expected_type, dialect) ⇒ Boolean

Returns:

  • (Boolean)


486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
# File 'lib/better_auth/sql_migration.rb', line 486

def matching_type?(actual_type, expected_type, dialect)
  normalized = actual_type.to_s.downcase.split("(").first.strip
  type = expected_type.to_s
  expected = case type
  when "string"
    %w[text varchar character varying char uuid nvarchar uniqueidentifier]
  when "number"
    %w[integer int int4 bigint smallint numeric real decimal float double]
  when "boolean"
    %w[bool boolean integer tinyint bit smallint]
  when "date"
    %w[timestamptz timestamp date datetime datetime2]
  when "json", "string[]", "number[]"
    (dialect == :postgres) ? %w[json jsonb text] : %w[json text varchar nvarchar]
  else
    [normalized]
  end
  expected.include?(normalized)
end

.migrate(auth_or_options, migrations_path: DEFAULT_MIGRATIONS_PATH) ⇒ Object



137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
# File 'lib/better_auth/sql_migration.rb', line 137

def migrate(auth_or_options, migrations_path: DEFAULT_MIGRATIONS_PATH)
  auth = auth_for(auth_or_options)
  adapter = auth.context.adapter
  unless adapter.respond_to?(:dialect) && adapter.respond_to?(:connection)
    raise UnsupportedAdapterError, "Better Auth SQL migrations require core SQL adapters with connection and dialect support"
  end

  connection = adapter.connection
  dialect = normalize_dialect(adapter.dialect)
  files = Dir[File.join(migrations_path, "*.sql")].sort
  ensure_schema_migrations!(connection, dialect)
  applied = applied_migrations(connection, dialect)

  files.reject { |file| applied.include?(File.basename(file)) }.each do |file|
    execute_sql(connection, File.read(file))
    record_migration(connection, dialect, File.basename(file))
  end
end

.migrate_pending(auth_or_options) ⇒ Object



156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
# File 'lib/better_auth/sql_migration.rb', line 156

def migrate_pending(auth_or_options)
  auth = auth_for(auth_or_options)
  adapter = auth.context.adapter
  unless adapter.respond_to?(:dialect) && adapter.respond_to?(:connection)
    raise UnsupportedAdapterError, "Better Auth SQL migrations require core SQL adapters with connection and dialect support"
  end

  connection = adapter.connection
  dialect = normalize_dialect(adapter.dialect)
  sql = render_pending(auth.options, connection: connection, dialect: dialect, generator: "better_auth")
  return false if sql.empty?

  if adapter.respond_to?(:transaction)
    adapter.transaction { execute_sql(connection, sql) }
  else
    execute_sql(connection, sql)
  end
  true
end

.missing_schema_migrations_table?(error) ⇒ Boolean

Returns:

  • (Boolean)


339
340
341
342
# File 'lib/better_auth/sql_migration.rb', line 339

def missing_schema_migrations_table?(error)
  message = error.message.to_s
  MISSING_MIGRATIONS_TABLE_MESSAGES.any? { |pattern| message.match?(pattern) }
end

.mssql_columns_sqlObject



542
543
544
545
546
547
548
549
# File 'lib/better_auth/sql_migration.rb', line 542

def mssql_columns_sql
  <<~SQL
    SELECT t.name AS table_name, c.name AS column_name, ty.name AS data_type
    FROM sys.tables t
    JOIN sys.columns c ON c.object_id = t.object_id
    JOIN sys.types ty ON ty.user_type_id = c.user_type_id;
  SQL
end

.mssql_indexes_sqlObject



551
552
553
554
555
556
557
558
559
560
# File 'lib/better_auth/sql_migration.rb', line 551

def mssql_indexes_sql
  <<~SQL
    SELECT t.name AS table_name, c.name AS column_name, i.name AS index_name, i.is_unique
    FROM sys.tables t
    JOIN sys.indexes i ON i.object_id = t.object_id
    JOIN sys.index_columns ic ON ic.object_id = t.object_id AND ic.index_id = i.index_id
    JOIN sys.columns c ON c.object_id = t.object_id AND c.column_id = ic.column_id
    WHERE i.name IS NOT NULL;
  SQL
end

.mysql_columns_sqlObject



526
527
528
529
530
531
532
# File 'lib/better_auth/sql_migration.rb', line 526

def mysql_columns_sql
  <<~SQL
    SELECT table_name, column_name, data_type
    FROM information_schema.columns
    WHERE table_schema = DATABASE();
  SQL
end

.mysql_indexes_sqlObject



534
535
536
537
538
539
540
# File 'lib/better_auth/sql_migration.rb', line 534

def mysql_indexes_sql
  <<~SQL
    SELECT table_name, column_name, index_name, CASE WHEN non_unique = 0 THEN 1 ELSE 0 END AS is_unique
    FROM information_schema.statistics
    WHERE table_schema = DATABASE();
  SQL
end

.normalize_dialect(value) ⇒ Object



352
353
354
355
356
357
358
359
360
361
362
363
364
# File 'lib/better_auth/sql_migration.rb', line 352

def normalize_dialect(value)
  dialect = case value.to_s.downcase
  when "postgresql"
    :postgres
  when "sqlite3"
    :sqlite
  else
    value.to_sym
  end
  return dialect if [:postgres, :sqlite, :mysql, :mssql].include?(dialect)

  raise UnsupportedAdapterError, "Unsupported SQL dialect for Better Auth migrations: #{dialect}"
end

.physical_name(value) ⇒ Object



562
563
564
# File 'lib/better_auth/sql_migration.rb', line 562

def physical_name(value)
  BetterAuth::Schema.send(:physical_name, value)
end

.plan(options, connection:, dialect:) ⇒ Object



34
35
36
37
# File 'lib/better_auth/sql_migration.rb', line 34

def plan(options, connection:, dialect:)
  dialect = normalize_dialect(dialect)
  plan_from_existing(options, existing: current_schema(connection, dialect), dialect: dialect)
end

.plan_from_existing(options, existing:, dialect:) ⇒ Object



39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
# File 'lib/better_auth/sql_migration.rb', line 39

def plan_from_existing(options, existing:, dialect:)
  dialect = normalize_dialect(dialect)
  config = configuration_for(options)
  desired = BetterAuth::Schema.auth_tables(config)
  to_create = []
  to_add = []
  to_index = []
  warnings = []

  desired.each do |logical_name, table|
    table_name = table.fetch(:model_name)
    existing_table = existing[table_name]

    unless existing_table
      to_create << BetterAuth::MigrationPlan::TableChange.new(
        logical_name: logical_name,
        table_name: table_name,
        table: table,
        order: table[:order] || Float::INFINITY
      )
      table.fetch(:fields).each do |field, attributes|
        next unless indexable_field?(attributes, dialect)

        column = attributes[:field_name] || physical_name(field)
        to_index << index_change(table_name, column, attributes, dialect: dialect, unique: !!attributes[:unique])
      end
      next
    end

    missing_fields = {}
    table.fetch(:fields).each do |field, attributes|
      column = attributes[:field_name] || physical_name(field)
      existing_type = existing_table.fetch(:columns)[column]
      if existing_type.nil?
        missing_fields[field] = attributes
      elsif !matching_type?(existing_type, attributes[:type], dialect)
        warnings << "Type mismatch for #{table_name}.#{column}: expected #{attributes[:type]} but found #{existing_type.to_s.downcase}"
      end

      next unless attributes[:index] || attributes[:unique]
      next if index_present?(existing_table, column, unique: !!attributes[:unique])

      to_index << index_change(table_name, column, attributes, dialect: dialect, unique: !!attributes[:unique])
    end

    next if missing_fields.empty?

    to_add << BetterAuth::MigrationPlan::FieldChange.new(
      logical_name: logical_name,
      table_name: table_name,
      fields: missing_fields,
      table: table,
      order: table[:order] || Float::INFINITY
    )
  end

  BetterAuth::MigrationPlan::Plan.new(
    to_create: to_create.sort_by(&:order),
    to_add: to_add.sort_by(&:order),
    to_index: to_index,
    warnings: warnings,
    dialect: dialect,
    tables: desired
  )
end

.postgres_columns_sqlObject



506
507
508
509
510
511
512
# File 'lib/better_auth/sql_migration.rb', line 506

def postgres_columns_sql
  <<~SQL
    SELECT table_name, column_name, data_type
    FROM information_schema.columns
    WHERE table_schema = current_schema();
  SQL
end

.postgres_indexes_sqlObject



514
515
516
517
518
519
520
521
522
523
524
# File 'lib/better_auth/sql_migration.rb', line 514

def postgres_indexes_sql
  <<~SQL
    SELECT t.relname AS table_name, a.attname AS column_name, i.relname AS index_name, ix.indisunique AS unique
    FROM pg_class t
    JOIN pg_index ix ON t.oid = ix.indrelid
    JOIN pg_class i ON i.oid = ix.indexrelid
    JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(ix.indkey)
    JOIN pg_namespace n ON n.oid = t.relnamespace
    WHERE t.relkind = 'r' AND n.nspname = current_schema();
  SQL
end

.quote(identifier, dialect) ⇒ Object



344
345
346
# File 'lib/better_auth/sql_migration.rb', line 344

def quote(identifier, dialect)
  BetterAuth::Schema::SQL.quote(identifier, dialect)
end

.record_migration(connection, dialect, version) ⇒ Object



214
215
216
217
# File 'lib/better_auth/sql_migration.rb', line 214

def record_migration(connection, dialect, version)
  sql = "INSERT INTO #{quote("better_auth_schema_migrations", dialect)} (#{quote("version", dialect)}) VALUES (#{literal(version)});"
  execute_sql(connection, sql)
end

.render(options, dialect:, generator:) ⇒ Object



21
22
23
24
25
26
27
28
29
30
31
32
# File 'lib/better_auth/sql_migration.rb', line 21

def render(options, dialect:, generator:)
  dialect = normalize_dialect(dialect)
  config = configuration_for(options)
  statements = BetterAuth::Schema::SQL.create_statements(config, dialect: dialect)
  [
    "-- Generated by #{generator}",
    "-- Dialect: #{dialect}",
    "",
    statements.join("\n\n"),
    ""
  ].join("\n")
end

.render_pending(options, connection:, dialect:, generator:) ⇒ Object



105
106
107
108
109
110
111
112
113
114
115
116
117
118
# File 'lib/better_auth/sql_migration.rb', line 105

def render_pending(options, connection:, dialect:, generator:)
  dialect = normalize_dialect(dialect)
  migration_plan = plan(options, connection: connection, dialect: dialect)
  statements = BetterAuth::Schema::SQL.pending_statements(migration_plan)
  return "" if statements.empty?

  [
    "-- Generated by #{generator}",
    "-- Dialect: #{dialect}",
    "",
    statements.join("\n\n"),
    ""
  ].join("\n")
end

.row_value(row, key) ⇒ Object



427
428
429
430
431
432
433
434
435
436
437
438
# File 'lib/better_auth/sql_migration.rb', line 427

def row_value(row, key)
  candidates = [
    key,
    key.to_sym,
    key.upcase,
    key.upcase.to_sym,
    camelize_lower(key),
    camelize_lower(key).to_sym
  ]
  candidates.each { |candidate| return row[candidate] if row.key?(candidate) }
  nil
end

.scan_block_comment(buffer, index, char, next_char, quote, line_comment, dollar_tag) ⇒ Object



302
303
304
305
306
307
308
309
310
# File 'lib/better_auth/sql_migration.rb', line 302

def scan_block_comment(buffer, index, char, next_char, quote, line_comment, dollar_tag)
  buffer << char
  if char == "*" && next_char == "/"
    buffer << next_char
    [index + 2, quote, line_comment, false, dollar_tag]
  else
    [index + 1, quote, line_comment, true, dollar_tag]
  end
end

.scan_dollar_quote(sql, buffer, index, char, quote, line_comment, block_comment, dollar_tag) ⇒ Object



312
313
314
315
316
317
318
319
320
# File 'lib/better_auth/sql_migration.rb', line 312

def scan_dollar_quote(sql, buffer, index, char, quote, line_comment, block_comment, dollar_tag)
  if sql[index, dollar_tag.length] == dollar_tag
    buffer << dollar_tag
    [index + dollar_tag.length, quote, line_comment, block_comment, nil]
  else
    buffer << char
    [index + 1, quote, line_comment, block_comment, dollar_tag]
  end
end

.scan_line_comment(buffer, index, char) ⇒ Object



297
298
299
300
# File 'lib/better_auth/sql_migration.rb', line 297

def scan_line_comment(buffer, index, char)
  buffer << char
  [index + 1]
end

.scan_quoted_string(sql, buffer, index, char, quote, line_comment, block_comment, dollar_tag) ⇒ Object



322
323
324
325
326
327
328
329
330
331
332
# File 'lib/better_auth/sql_migration.rb', line 322

def scan_quoted_string(sql, buffer, index, char, quote, line_comment, block_comment, dollar_tag)
  buffer << char
  if char == quote && sql[index + 1] == quote
    buffer << sql[index + 1]
    [index + 2, quote, line_comment, block_comment, dollar_tag]
  elsif char == quote
    [index + 1, nil, line_comment, block_comment, dollar_tag]
  else
    [index + 1, quote, line_comment, block_comment, dollar_tag]
  end
end

.scan_sql_character(sql, buffer, index, state, output) ⇒ Object



266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
# File 'lib/better_auth/sql_migration.rb', line 266

def scan_sql_character(sql, buffer, index, state, output)
  char = sql[index]
  next_char = sql[index + 1]
  quote = state[:quote]
  line_comment = state[:line_comment]
  block_comment = state[:block_comment]
  dollar_tag = state[:dollar_tag]

  return scan_line_comment(buffer, index, char) + [quote, false, block_comment, dollar_tag] if line_comment && char == "\n"
  return scan_line_comment(buffer, index, char) + [quote, true, block_comment, dollar_tag] if line_comment
  return scan_block_comment(buffer, index, char, next_char, quote, line_comment, dollar_tag) if block_comment
  return scan_dollar_quote(sql, buffer, index, char, quote, line_comment, block_comment, dollar_tag) if dollar_tag
  return scan_quoted_string(sql, buffer, index, char, quote, line_comment, block_comment, dollar_tag) if quote
  return [index + 2, quote, true, block_comment, dollar_tag].tap { buffer << char << next_char } if char == "-" && next_char == "-"
  return [index + 2, quote, line_comment, true, dollar_tag].tap { buffer << char << next_char } if char == "/" && next_char == "*"

  tag = dollar_quote_tag_at(sql, index)
  return [index + tag.length, quote, line_comment, block_comment, tag].tap { buffer << tag } if tag
  return [index + 1, char, line_comment, block_comment, dollar_tag].tap { buffer << char } if char == "'" || char == "\""

  if char == ";"
    statement = buffer.strip
    output << statement unless statement.empty?
    buffer.clear
    return [index + 1, quote, line_comment, block_comment, dollar_tag]
  end

  buffer << char
  [index + 1, quote, line_comment, block_comment, dollar_tag]
end

.split_sql_statements(sql) ⇒ Object



242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
# File 'lib/better_auth/sql_migration.rb', line 242

def split_sql_statements(sql)
  output = []
  buffer = +""
  index = 0
  quote = nil
  line_comment = false
  block_comment = false
  dollar_tag = nil

  while index < sql.length
    state = {
      quote: quote,
      line_comment: line_comment,
      block_comment: block_comment,
      dollar_tag: dollar_tag
    }
    index, quote, line_comment, block_comment, dollar_tag = scan_sql_character(sql, buffer, index, state, output)
  end

  tail = buffer.strip
  output << tail unless tail.empty?
  output
end

.sqlite_schema(connection) ⇒ Object



381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
# File 'lib/better_auth/sql_migration.rb', line 381

def sqlite_schema(connection)
  table_rows = execute_sql(connection, "SELECT name FROM sqlite_master WHERE type = 'table' AND name NOT LIKE 'sqlite_%';")
  table_rows.each_with_object({}) do |row, schema|
    table_name = row["name"] || row[:name]
    columns = execute_sql(connection, "PRAGMA table_info(#{quote(table_name, :sqlite)});").each_with_object({}) do |column, result|
      result[column["name"] || column[:name]] = column["type"] || column[:type]
    end
    indexes = 
    execute_sql(connection, "PRAGMA index_list(#{quote(table_name, :sqlite)});").each do |index|
      index_name = index["name"] || index[:name]
      unique = (index["unique"] || index[:unique]).to_i == 1
      indexes[:names] << index_name
      execute_sql(connection, "PRAGMA index_info(#{quote(index_name, :sqlite)});").each do |field|
        column = field["name"] || field[:name]
        indexes[:columns] << column
        indexes[:unique_columns] << column if unique
      end
    end
    schema[table_name] = {name: table_name, columns: columns, indexes: indexes}
  end
end

.statements(sql) ⇒ Object



235
236
237
238
239
240
# File 'lib/better_auth/sql_migration.rb', line 235

def statements(sql)
  normalized = sql.to_s.gsub("\r\n", "\n").strip
  return [] if normalized.empty?

  split_sql_statements(normalized)
end

.truthy_database_value?(value) ⇒ Boolean

Returns:

  • (Boolean)


440
441
442
443
444
# File 'lib/better_auth/sql_migration.rb', line 440

def truthy_database_value?(value)
  return value if value == true || value == false

  value.to_i != 0
end